package com.example.day08.ex02;

import java.util.Scanner;

public class StringTest03 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入一个字符串：");
        String line=sc.nextLine();
        int bigcount=0;
        int smallcount=0;
        int numbercount=0;
        for (int i = 0; i < line.length(); i++){
            char ch=line.charAt(i);
            if (ch>='A'&&ch<='Z'){
                bigcount++;
            }else if (ch>='a'&&ch<='z'){
                smallcount++;
            }else if (ch>='0'&&ch<='9'){
                numbercount++;
            }
        }
        System.out.println("大写字母有"+bigcount+"个");
        System.out.println("小写字母有"+smallcount+"个");
        System.out.println("数字有"+numbercount+"个");
    }
}
